/* ----- AXAJ ----- */
var op_httpRequest = null;
function op_makeRequest()
{
	op_httpRequest = null;

	if (window.XMLHttpRequest)
	{
		// Mozilla, Safari,...
		op_httpRequest = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		// IE
		try
		{
			op_httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
	    	try
			{
				op_httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	    	}
			catch (e)
			{}
	  	}
	}

	if (!op_httpRequest)
		//neni podpora v prohlizeci
		return false;


	var splatky = document.getElementById("splatky").value;
	var splatky_mesice = document.getElementById("splatky_mesice").value;


	op_httpRequest.onreadystatechange = op_onReply;
	op_httpRequest.open('GET', "ajax.op.php?splatky=" + splatky + '&splatky_mesice=' + splatky_mesice, true);
	op_httpRequest.send(null);

}

// AJAX - ziskani informaci o cene
function op_onReply()
{
	if (op_httpRequest.readyState == 4)
	{
		if (op_httpRequest.status == 200)
		{
			if (op_httpRequest.responseText.length > 0)
			{
				document.getElementById('mesicni_splatka').value = op_httpRequest.responseText;
			}
	  	}
	}
}